The results showed that SF was grafted onto the surface of PU membranes; PU membranes modified with SF have good flexibility as well as their hydrophilicity was improved, and certain water vapor permeability.

• 结果表明：经过上述工艺处理后，丝素蛋白已接枝在聚氨酯膜的表面；丝素改性后，聚氨酯膜不仅表面亲水性提高，而且仍具有良好的柔韧性和一定的透汽性。